[INFO] updating cached repository EmileArseneault/MorningR
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/EmileArseneault/MorningR
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/EmileArseneault/MorningR" "work/ex/beta-1.38-1/sources/1.37.0/gh/EmileArseneault/MorningR"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/EmileArseneault/MorningR'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/EmileArseneault/MorningR" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/EmileArseneault/MorningR"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/EmileArseneault/MorningR'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0f9791d7c295f755ddf2f630cfcdaab222328856
[INFO] sha for GitHub repo EmileArseneault/MorningR: 0f9791d7c295f755ddf2f630cfcdaab222328856
[INFO] validating manifest of EmileArseneault/MorningR on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of EmileArseneault/MorningR on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing EmileArseneault/MorningR
[INFO] finished frobbing EmileArseneault/MorningR
[INFO] frobbed toml for EmileArseneault/MorningR written to work/ex/beta-1.38-1/sources/1.37.0/gh/EmileArseneault/MorningR/Cargo.toml
[INFO] started frobbing EmileArseneault/MorningR
[INFO] finished frobbing EmileArseneault/MorningR
[INFO] frobbed toml for EmileArseneault/MorningR written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/EmileArseneault/MorningR/Cargo.toml
[INFO] crate EmileArseneault/MorningR already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing EmileArseneault/MorningR against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/EmileArseneault/MorningR:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ccddc4d38fc9884a43ee49b3ac985144963f6a8cb426859848af65676935e78d
[INFO] running `"docker" "start" "-a" "ccddc4d38fc9884a43ee49b3ac985144963f6a8cb426859848af65676935e78d"`
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling morning v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/configuration.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |             Err(e) => {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut conf =  match Configuration::new() {
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/editing.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut editor: String;
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_message_by_date`
[INFO] [stderr]    --> src/history.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn find_message_by_date(&self, date: NaiveDate) -> Option<&String> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.61s
[INFO] running `"docker" "inspect" "ccddc4d38fc9884a43ee49b3ac985144963f6a8cb426859848af65676935e78d"`
[INFO] running `"docker" "rm" "-f" "ccddc4d38fc9884a43ee49b3ac985144963f6a8cb426859848af65676935e78d"`
[INFO] [stdout] ccddc4d38fc9884a43ee49b3ac985144963f6a8cb426859848af65676935e78d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/EmileArseneault/MorningR:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4302b6df1e9c4bdb6b463670e374c1d4051b9b1bd50621d257f4ceadbfaae09e
[INFO] running `"docker" "start" "-a" "4302b6df1e9c4bdb6b463670e374c1d4051b9b1bd50621d257f4ceadbfaae09e"`
[INFO] [stderr]    Compiling morning v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/configuration.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |             Err(e) => {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut conf =  match Configuration::new() {
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/editing.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut editor: String;
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_message_by_date`
[INFO] [stderr]    --> src/history.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn find_message_by_date(&self, date: NaiveDate) -> Option<&String> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "4302b6df1e9c4bdb6b463670e374c1d4051b9b1bd50621d257f4ceadbfaae09e"`
[INFO] running `"docker" "rm" "-f" "4302b6df1e9c4bdb6b463670e374c1d4051b9b1bd50621d257f4ceadbfaae09e"`
[INFO] [stdout] 4302b6df1e9c4bdb6b463670e374c1d4051b9b1bd50621d257f4ceadbfaae09e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/EmileArseneault/MorningR:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] feba93d969d96216101df2abff1da1cd23144b1d4ab8e79506648c0deafb7aca
[INFO] running `"docker" "start" "-a" "feba93d969d96216101df2abff1da1cd23144b1d4ab8e79506648c0deafb7aca"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/morning-7b5362ca27f20aa2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "feba93d969d96216101df2abff1da1cd23144b1d4ab8e79506648c0deafb7aca"`
[INFO] running `"docker" "rm" "-f" "feba93d969d96216101df2abff1da1cd23144b1d4ab8e79506648c0deafb7aca"`
[INFO] [stdout] feba93d969d96216101df2abff1da1cd23144b1d4ab8e79506648c0deafb7aca